Calculations with different methods
- 310.608 miles
- 499.875 kilometers
- 269.911 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 310.265 miles
- 499.323 kilometers
- 269.613 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Philadelphia International Airport (PHL) to Roanoke–Blacksburg Regional Airport (ROA) is 1 hour 5 minutes.
Time difference and current local times
There is no time difference between Philadelphia and Roanoke.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 69 kg (151 pounds).
Philadelphia to Roanoke flight map.
Frequent Flyer Miles Calculator
Philadelphia (PHL) → Roanoke (ROA).